ABAP Select data from SAP table FOT_PTK_VAT_REFUND_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FOT_PTK_VAT_REFUND_DATA table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FOT_PTK_VAT_REFUND_DATA. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FOT_PTK_VAT_REFUND_DATA table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FOT_PTK_VAT_REFUND_DATA TYPE STANDARD TABLE OF FOT_PTK_VAT_REFUND_DATA,
      WA_FOT_PTK_VAT_REFUND_DATA TYPE FOT_PTK_VAT_REFUND_DATA,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FOT_PTK_VAT_REFUND_DATA> TYPE FOT_PTK_VAT_REFUND_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FOT_PTK_VAT_REFUND_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FOT_PTK_VAT_REFUND_DATA
  INTO TABLE IT_FOT_PTK_VAT_REFUND_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FOT_PTK_VAT_REFUND_DATA
*  INTO TABLE @DATA(IT_FOT_PTK_VAT_REFUND_DATA2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FOT_PTK_VAT_REFUND_DATA INDEX 1 INTO DATA(WA_FOT_PTK_VAT_REFUND_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FOT_PTK_VAT_REFUND_DATA ASSIGNING <FOT_PTK_VAT_REFUND_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FOT_PTK_VAT_REFUND_DATA>-AWSYS = 1.
<FOT_PTK_VAT_REFUND_DATA>-PERNR = 1.
<FOT_PTK_VAT_REFUND_DATA>-REINR = 1.
<FOT_PTK_VAT_REFUND_DATA>-PERIO = 1.
<FOT_PTK_VAT_REFUND_DATA>-PDVRS = 1.

ENDLOOP.

LOOP AT IT_FOT_PTK_VAT_REFUND_DATA INTO WA_FOT_PTK_VAT_REFUND_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FOT_PTK_VAT_REFUND_DATA-BELNR, sy-vline,
  WA_FOT_PTK_VAT_REFUND_DATA-POSNR, sy-vline,
  WA_FOT_PTK_VAT_REFUND_DATA-BUKRS, sy-vline,
  WA_FOT_PTK_VAT_REFUND_DATA-INTCA_ESTBLSH, sy-vline,
  WA_FOT_PTK_VAT_REFUND_DATA-INTCA, sy-vline,
  WA_FOT_PTK_VAT_REFUND_DATA-STCEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FOT_PTK_VAT_REFUND_DATA you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FOT_PTK_VAT_REFUND_DATA TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FOT_PTK_VAT_REFUND_DATA INTO WA_FOT_PTK_VAT_REFUND_DATA.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FOT_PTK_VAT_REFUND_DATA-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_PTK_VAT_REFUND_DATA-AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FOT_PTK_VAT_REFUND_DATA-FWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_PTK_VAT_REFUND_DATA-FWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FOT_PTK_VAT_REFUND_DATA-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_PTK_VAT_REFUND_DATA-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VAT_SERVICE_CODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FOT_PTK_VAT_REFUND_DATA-VAT_SERVICE_CODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_PTK_VAT_REFUND_DATA-VAT_SERVICE_CODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field VAT_SRV_DESC_LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FOT_PTK_VAT_REFUND_DATA-VAT_SRV_DESC_LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_PTK_VAT_REFUND_DATA-VAT_SRV_DESC_LANGU.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FOT_PTK_VAT_REFUND_DATA_STR, 
AWSYS TYPE STRING,
PERNR TYPE STRING,
REINR TYPE STRING,
PERIO TYPE STRING,
PDVRS TYPE STRING,
BELNR TYPE STRING,
POSNR TYPE STRING,
BUKRS TYPE STRING,
INTCA_ESTBLSH TYPE STRING,
INTCA TYPE STRING,
STCEG TYPE STRING,
STCD1 TYPE STRING,
NAME TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM TYPE STRING,
POST_CODE TYPE STRING,
CITY TYPE STRING,
BLDAT TYPE STRING,
RECEIPT_NO TYPE STRING,
RECEIPT_ITEM TYPE STRING,
FWBAS TYPE STRING,
FWSTE TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
MWSKZ TYPE STRING,
VAT_SERVICE_CODE TYPE STRING,
VAT_SUB_SRV_CODE TYPE STRING,
VAT_SERVICE_DESC TYPE STRING,
VAT_SRV_DESC_LANGU TYPE STRING,
VAT_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FOT_PTK_VAT_REFUND_DATA_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FOT_PTK_VAT_REFUND_DATA_STR-AWSYS sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-PERNR sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-REINR sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-PERIO sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-PDVRS sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-BELNR sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-POSNR sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-BUKRS sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-INTCA_ESTBLSH sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-INTCA sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-STCEG sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-STCD1 sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-NAME sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-STREET sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-HOUSE_NUM sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-POST_CODE sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-CITY sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-BLDAT sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-RECEIPT_NO sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-RECEIPT_ITEM sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-FWBAS sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-FWSTE sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-BETRG sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-WAERS sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-MWSKZ sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-VAT_SERVICE_CODE sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-VAT_SUB_SRV_CODE sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-VAT_SERVICE_DESC sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-VAT_SRV_DESC_LANGU sy-vline 
WA_FOT_PTK_VAT_REFUND_DATA_STR-VAT_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.